TROUBLE SHOOTING GUIDE
WATER LEVEL ADJUSTMENT
1. PROBLEM: Fill valve turns on/ off without toilet being flushed
1. To adjust, simply turn upper half of valve counter-clockwise
INSTALLATION INSTRUCTIONS
a. PROBABLE CAUSE: No proper slack in flapper chain to unlock, pull up til water level is where the water line is marked on
SOLUTION: Adjust for proper slack
b. PROBABLE CAUSE: Flush valve flapper dirty
SOLUTION: Inspect and clean
the overflow pipe, Fig. C, then turn clockwise till valve
snaps into locked position.
2. Turn on
For MS904114 / MS884114 / MS874114S / MS914114
water supply
to fill tank.
3. Tamper
proof key is
2. PROBLEM: Fill valve continues running
a. PROBABLE CAUSE: Dirty fill valve seal
SOLUTION: Shut off water supply. Open fill valve
cap and clean valve seal
1
4
IMPORTANT
optional, and may be used
simply to prevent further
adjustment once final setting
is achieved, Fig. D.
b. PROBABLE CAUSE: Flush valve flapper does not
seat properly
Read these instruc-
tions thoroughly
before beginning
work.
SOLUTION : Inspect, clean or adjust flapper position
c
a
b
3. PROBLEM: Poor Flush
a. PROBABLE CAUSE: Trapway is obstructed
SOLUTION: Unclog trapway
b. PROBABLE CAUSE: Supply stop is partially closed
SOLUTION: Open supply stop
c. PROBABLE CAUSE: Venting is obstructed
SOLUTION: Clear venting pipe
d. PROBABLE CAUSE: Water supply is too low
SOLUTION: The minimum required supply pressure
is 20 psi. Consult your plumber.
d
You have purchased
one of the best
working toilets
available today,
backed by TOTO’s
worldwide finest
reputation.
2
SERVICING
INSTRUCTIONS
3
1. Turn off water supply, then
flush toilet.
f
5
TSU01W
2
3
2. Snap off cover.
Please leave instructions for customers. These instructions
contain maintenance and warranty information.
3. Gently press float arms inward and
remove float.
4. PROBLEM: No flushing
e
a. PROBABLE CAUSE: Supply stop is closed
SOLUTION: Open supply stop
b. PROBABLE CAUSE: Flush valve chain is too loose
or disconnected
COMMON TOOLS NEEDED:
• 12” pipe wrench
• 10” adjustable wrench
• Carpenter’s level
• Tape measure
• Plier
4. While holding valve with one hand,
twist cap 1/ 8 turn counter clock-
wise and remove.
Model
A
B
C
D
SOLUTION: Adjust chain length as needed
MS904114
MS884114
29-1/ 2” 15”
23-1/ 2” 21-1/ 4”
23-3/ 4” 16-1/ 2”
27-1/ 2” 16-1/ 2”
24-7/ 8” 17-3/ 4”
5. Lift out center tube as shown.
WARNING! DO NOT USE IN-TANK BOWL CLEANERS
28”
28”
28”
15”
15”
15”
• Screwdriver
• Putty knife
The use of high concentration of chlorine or chlorine-related products can
seriously damage fittings in the tank. This damage can cause leakage and
property damage. • TOTO shall not be responsible or liable for any tank fit-
ting failure or damage caused by the use of in-tank bowl cleaners.
6. Remove strainer form center tube
as shown. Clean strainer and cap
by rinsing off under faucet.
MS874114S(SG)
• Drill motor, 11/ 64” drill bit (for wood floor
installation) & 1/ 4” masonry drill bit (for masonry/ tile
floor installation)
MS914114
7. Carefully reassemble the valve in
the reverse order.
* Check for correct dimension
TOILET TANK FILL VALVE INSTRUCTIONS
G-Max /Power Gravity
MATERIALS REQUIRED:
• Supply tube / connector
• Supply stop
• Mounting bolts (2)
• Wax ring / seal
4
5
IMPORTANT:
INSTALLATION
1. Shut off water supply. Flush toilet;
sponge remaining water from tank.
Remove old ballcock.
2. Slide threaded valve-shaft through hole in
bottom of tank. Note:
Note position of cap when properly
assembled to the body. The ribs on
the cap are in line with the float
chamber and the refill port is aligned
as shown.
A
D
3/4"
Package Content:
No. Item
Quantity
Be sure to install
valve in the locked
position at the angle
shown in fig. A.
Thread mounting-
nut onto exposed
1.
2.
3.
4.
5.
Vitreous China Bowl w/ lid ..............................................1
Cover Plate ..............................................................................2
Top Mount Bolt Set (for seat) ........................................1
Toilet Seat Set ........................................................................1
UNIFIT Rough-In (TSU01W.12) .................................1
5a. Toilet Mounting Bolt (T-Bolt) ...............................2
5b. T-Bolt Washer................................................................2
5c. T-Bolt Nut.......................................................................2
5d. Mounting Screw w/ washer....................................4
5e. Anchor ..............................................................................4
5f. PVC Outlet Connection*..........................................1
C
B
4-1/2" *
shaft under tank and tighten nut.
DO NOT OVERTIGHTEN.
3. Connect water supply as shown in fig. B.
Pipe dope is not recommended. Hand tight-
en only; do not overtighten coupling nut.
4. Finally attach refill tube to valve and clip
other end to overflow pipe.
10"
12"
14"
8" *
(Only for MS904114)
10" *
6
7
TOTO U.S.A., INC. • 1155 Southern Road, Morrow, GA 30260
Tel. (770) 282-8686 • Fax. (770) 282-8701
NOTE: Water supply rough-in
significantly wider than standard 5"rough-in.
Consult your builder or contractor.
Printed in U.S.A. © TOTO LTD.
REV 03/01
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OGU003Z
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